Mechanism for operating shuttle-boxes in looms



(No Model.)

B. B. GOODYEAR.

MEGHANISM FOR OPERATING SHUTTLE BOXES IN LQOMS. No. 391,312. gatented 00b. 16, 1888.

WITNESSES.

PETERS. Fholo-Uthagrzphur, Wnshinglnm v.0.

NITED STATES Y PATENT FFICE.

ROBERT E. GOODYEAR, OF PHILADELPHIA, ASSIGNOR OF ONE-HALF TO WOLFENDEN, SHORE & 00., OF OARDINGTON, PENNSYLVANIA.

MECHANISM FOR OPERATING SHUTTLE-BOXES IN LOOMS.

SPECIFICATION forming part of Letters Patent No. 391,312, dated October 16, 1888.

Application filed April 29, 1886.

To all whom it may concern:

Be it known that 1, ROBERT B. GOODYEAR, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Improvement in Mechanism for Operating Shuttle-Boxes in. Looms, which improvement is fully set forth in the following specification and accompanying drawings, in which- Figure 1 represents an end view of a loom embodying my invention. Fig. 2 represents a sectional view in line 00 at, Fig. 1. Fig. 3 represents a front view of the yoke and rockshaft bearings, two of the collars being omitted. Figs. 4 and 5 represent detail sectional views of the shaft and connected parts.

Similar letters of reference indicate corresponding parts in the several figures.

My invention relates to improvements in the means by which the shuttle-boxes in looms are raised or lowered; and it consists in connecting with a pattern-chain provided with pins of different lengths rods and levers, by which a rock-shaft is oscillated, so that fingers thereon,when said rock-shaft is raised or lowered, are brought in contact with a pivoted lever carrying the shuttle-boxes, thereby raising or lowering the said boxes, as may be de sired.

Referring to the drawings, A represents a pattern-chain, which is carried by a wheel, a, on a shaft which receives rotary motion by means of suitable devices consisting of a ratchet-wheel mounted on said shaft, a pawl adapted to operate said ratchet, and actuating means for said pawl connected with the main driving-wheel of the loom, whereby the said chain is advanced one link at each shot. The said devices, being of any well-known construction and not being in themselves new and not claimed herein specifically, are only in part shown in the drawings. Placed in the links of the said pattern-chain A are pins or studs 1) of different lengths projecting outwardly. Pivotally secured to the frame of the loom is a lever, B, one end of which rides upon the chain and pins b thereon, and is raised or lowered according to the height of the pins. The other end of the lever B is connected by the rod 0 to a bell-crank lever, D, pivoted to the loom-frame, said lever D being Serial No. 200,502. (No model.)

connected by a wire or rod, d, to an arm, 6, of a collar rigidly secured to a rock-shaft, F.

G represents a shaft suitably journaled in the end pieces of the loomand receiving motion in connection with the other working parts thereof. On the shaft G are cams G G, rigidly secured thereto.

H represents a yoke having in its lower part bearings for the rock-shaft F,which rises and falls with the said yoke.

Securely fastened to the yoke H at h is a curved bar, H, having its lower edge in contact with the cams G G, so that the said bar H rides upon the said cams, thus raising and lowering the said yoke when the shaft G is rotated. The bar may be adj ustably secured at h, so that the rise and fall of the yoke may be regulated, and a catch, H", secured to the yoke and adapted to bear against the free end of the bar H,to assist in retainingthe same in proper position,may be employed. Awheel may be employed in place of the curved bar H; but the latter is preferable. The upper portion of the yoke H works in a slotted attachment or part of the loom-frame, thus steadying the said frame in its rising-and-falling motion.

On the rock-shaft F are placed collars F, F, F, and F, having fingersff' fif" extending upward. The outer collars, Fand F*, placed at equal distances from the longitudinal middle point of the rock-shaft,areloosely mounted thereon, having within a small limit a rotary movement controlled by stops on the shaft, as shown in Fig. 5, or in any other suitable manner, but no lateral play, while the inner collars, F and F",which are also placed at equal distances from the said center and about half the distance therefrom of the outer collars, are rigidly secured thereto. Attached to the collars F and F are weights or springs g. The fingers f and f which are of the same length, both point upward, but in different planes, while the finger f, owing to its collar being loose upon the shaft, may be brought into the same plane as the fingerf by means of the guide 9, or occupy a different plane, the same being true in relation to the finger f as compared with the finger f The fingers f and f" are of equal length, but are longer than the fingers f and f and have at their ends outwardly-projecting attachments 9, adapted to bear against the sides of the lever K.

Secured to the loom-frame or an attachment thereof is a pivoted lever, K,which at one end is connected to a rod, L, supporting the shuttle-boxes M. On the lower and' side portions of the said lever K are formed recesses 70' k k k for engagement with the fingers on the rockshaft F. As shown, the recesses k k are formed on the outer face of the said lever, while 70 and k are formed on the inner face or side. Each of these recesses has several shoulders or steps therein, as shown in Fig. 1.

0 represents a friction-lever of the usual form and construction, having the ordinary functions of such in looms of like character.

The operation of the device is as follows: The pattern-chain, being formed with the pins placed therein, according to the pattern as desired, (the number of different lengths of the pins employed being one less than the number of shuttle-boxes used,) is placed upon the wheel a, the top-shuttle-box being even with the race- U board, so that a link having no pin is under the end of the lever B, riding on said chain. The loom is then started, and as the pins, which are of different lengths, come under the arm of the lever B, the rock-shaft F, by means of its connection, is oscillated. The oscillation of the rock-shaft brings one or more of its fingers underneath the lever K, and the said shaft, being raised by means of the yoke H and the cams G G on the rotating shaft G, one of the said fingers engages in one of the recesses, thereby raising one or the other of the ends of the said lever K and correspondingly raising or lowering the boxes according to which end of the said lever is raised. The collars are so placed upon the rock-shaft F that when it is desired to raise one box the finger f of the collar F is brought beneath the lever K by means of the lever B being raised by a pin, 1), of a suitable size, the rockshaft when raised bringing the said finger in contact with the lower shoulder at k. At the same time the other fingers are out of the plane of the lever Knot engaging therewith. When it is desired to raise two or three boxes-that is, to skip one or two-the finger f 3 is brought respectively under the upper or lower shoulder of the recess of the lever K by means of the lever B being raised a greater distance than if one box only were to be raised, and consequently the link passingunder the arm of the said lever B will be provided with longer pins than for the raising of one box, the pin for raising three or skipping two being longer than that used for raising two or skipping one. In the same manner when it is desired to lower the boxes the fingers f and f 2 are brought into play by the same means,the contact of f with the lever K lowering one box, and the contact of f 2 either two or three boxes, according v as it is brought under the different shoulders or steps of the appropriate recess.

When there is to be no change of the boxes,

the link for that shot will contain a pin of the same size as the preceding link, and in case the upper box is already even with the raceboard, and in the next shot is to have the same position, the link will contain no pin, thus leaving the shaft unoscillated and the box unmoved.

The collars F and F, as stated, are loosely mounted on the rock-shaft Fand the guide 9, attached to the finger f on said collar F, prevents the action of the spring or weight g from throwing the said fingerf inward or past the lever K when finger f 2 is in position for action. The guide 9 on the finger f performs asimilar duty for the said finger in its relation to the finger f When a link having no pin is under the lever B, the top box is even with the race-board. When the shortest pin is under the said lever, the next to the top box is. even with the raceboard. When the second-sized pin is in the link mentioned, the next to the lowest box of the four used is even with the race-board, and when the longest-sized pin is employed in the said link the lowest of the boxes is even therewith.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. A rock-shaft having collars thereon provided with fingers, means for imparting arisin g-and-falling motion to said rock-shaft, means for rotating said rock-shaft, a pivoted lever having recesses on its under and side faces, and shuttle-boxes connected to said pivoted lever, the said fingers being adapted to engage in said recesses, all of said parts being combined and operating substantially as described.

2. Apattern-chain provided with pins of different lengths, in combination with a lever receiving an oscillating motion from said pattern-chain, means for converting said oscillating motion of the lever into the rotary motion of a rock-shaft, a rock-shaft provided with collars having fingers, means for imparting a rising-and-falling motion to said rock-shaft, a pivoted lever having recesses on its under and side faces, and shuttle-boxes connected to said last-mentioned lever, all substantially as described.

3. In a 100111, the combination of the pattern-chain A,having pins 12 of different lengths, with the pivotal lever B, the rock-shaft F, mechanism intermediate of said lever B and rock-shaft F for converting the oscillating mo-, tion of the lever B into the rotary motion of the rock-shaft, collars mounted on said rockshaft and provided with fingers, means, substantially as described, for imparting arisingand-falling motion to said rock-shaft, the pivoted lever K, having recesses on its under and side faces, and shuttle-boxes connected to said lever K, substantially as described.

4. A box motion of a loom having a rockshaft, means, substantially as described, for imparting a rising-and-falling motion to said shaft, a pivoted lever with shuttle-boxes con- LII nected thereto, and fingers on said rock-shaft for imparting an oscillating motionto thesame, IO adapted to actuate said lever, whereby the an oscillating lever with shuttle boxes conshuttle-boxes are raised or lowered, said parts nected therewith, and guides attached to said being combined substantially as described. 1 fingers, said parts being combined substan- 5. A box motion of a loom having a rooktially as and for the purpose set forth. shaft, with means for imparting a rising-and- ROBERT E. GOODYEAR.

falling motion thereto, movable collars on said Witnesses: shaft provided with fingers, mechanism, sub- JOHN A. VVEIDERSHEIM, stantially as described, connected to said shaft A. P. GRANT. 

